Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 16 h = ____ min
- 34 min = _____ s
- 213 h = _____ min
- 212 min = _____ s
(a)
1 h = 60 min
16 h =
16 x 60 = 10 min
(b)
1 min = 60 s
34 min =
34 x 60 = 45 s
(c)
1 h = 60 min
2
13 h
= (2 x 60) + (
13 x 60)
= 120 + 20
= 140 min
(d)
1 min = 60 s
2
12 min
= (2 x 60) + (
12 x 60)
= 120 + 30
= 150 s
Answer(s): 10, 45, 140, 150